Multiple Choice
What is the pH of a 0.20 M KCN aqueous solution?
K a(HCN) = 6.2×10 - 10
A) pH = 2.74
B) pH = 8.51
C) pH = 9.05
D) pH = 10.98
E) pH = 11.26
Correct Answer:

Verified
Correct Answer:
Verified
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